Get a free quote

Tempering Valves?

Tempering valves regulate hot water temperature to keep it safe at the outlet. If they stop working properly, it can lead to inconsistent or overly hot water. We inspect, adjust and replace tempering valves to keep systems compliant and safe.

Plumber repairing a pipe under a sink

What a Tempering Valve Does

Tempering valves usually only get noticed once something feels off with the hot water. They sit on the system and control the temperature before it reaches your taps. That’s what stops the water from getting too hot and causing issues.

Signs It Needs Attention

You might notice the water temperature changing, not holding steady, or running hotter than it should. That’s usually the first sign something isn’t right. In places like homes, schools and commercial buildings, keeping that temperature under control is important for safety.

Common Issues We See

We come across a lot that haven’t been checked in a long time. Over time, they can wear out or drift out of adjustment, especially with Melbourne water conditions. When that happens, they stop regulating temperature properly.

Adjustment and Replacement

When we attend, we check how the valve is operating and whether it’s still holding the correct temperature range. If it needs adjustment, we set it correctly. If it’s worn out, we replace it and make sure it’s installed to suit the system and current requirements.

If your hot water isn’t consistent or feels too hot, it’s worth getting it looked at sooner rather than later. It’s a small part of the system, but it plays a big role in safety.

Book a Tempering Valve Service

If your hot water temperature isn’t stable or feels too hot, we can check your tempering valve and get it working properly again. Our team services homes and businesses across Melbourne and ensures everything is safe and compliant.

View our past projects

View our past projects

We’re proud to showcase the quality and care behind our plumbing work across Melbourne. From emergency callouts to large-scale commercial fit-outs, our past projects highlight the experience and attention to detail Heritage Plumbing Group brings to every job.

Melbourne's most trusted plumbing services backed by more than 40 years of combined experience





Frequently Asked Questions

Do you have questions about 

maintenance plumbing?

What is a tempering valve?
What temperature should hot water be?
How do I know if my tempering valve is faulty?
Do tempering valves need servicing?
Backflow Prevention Association of Australia
Victorian Building Authority
Master Plumber
Yarra Valley
Ray White
Nelson Alexander
My Chemist
Coles Express
Chemist Warehouse
Billi
Arova
Backflow Prevention Association of Australia
Victorian Building Authority
Master Plumber
Yarra Valley
Ray White
Nelson Alexander
My Chemist
Coles Express
Chemist Warehouse
Billi
Arova

Get Started Today

Request a 
Free Quote

If your hot water temperature isn’t right, request a quote and we’ll organise a time to inspect and adjust or replace your tempering valve.

Area we services

Servicing Melbourne & Surrounding Areas

Need a reliable plumber near you? Heritage Plumbing Group offers expert solutions across Melbourne with fast response times and top-quality service.

Our licensed team brings decades of local expertise, ensuring efficient, long-lasting results for emergencies, maintenance, and major projects.

Tempering valves usually only get noticed once something feels off with the hot water. They sit on the system and control the temperature before it reaches your taps. That’s what stops the water from getting too hot and causing issues.